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#include <arch/types.h>
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#include <arch/types.h>
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#include <config.h>
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#include <config.h>
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#include <proc/thread.h>
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#include <proc/thread.h>
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#include <genarch/multiboot/multiboot.h>
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#include <genarch/drivers/legacy/ia32/io.h>
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#include <genarch/drivers/legacy/ia32/io.h>
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#include <genarch/drivers/ega/ega.h>
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#include <genarch/drivers/ega/ega.h>
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#include <arch/drivers/vesa.h>
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#include <arch/drivers/vesa.h>
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#include <genarch/kbd/i8042.h>
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#include <genarch/kbd/i8042.h>
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#include <arch/drivers/i8254.h>
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#include <arch/drivers/i8254.h>
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#include <arch/drivers/i8259.h>
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#include <arch/drivers/i8259.h>
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#include <arch/boot/boot.h>
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#ifdef CONFIG_SMP
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#ifdef CONFIG_SMP
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#include <arch/smp/apic.h>
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#include <arch/smp/apic.h>
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#endif
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#endif
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#include <console/console.h>
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#include <console/console.h>
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#include <ddi/irq.h>
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#include <ddi/irq.h>
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#include <ddi/device.h>
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#include <ddi/device.h>
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#include <sysinfo/sysinfo.h>
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#include <sysinfo/sysinfo.h>
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/** Disable I/O on non-privileged levels
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/** Disable I/O on non-privileged levels
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 *
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 *
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 * Clean IOPL(12,13) and NT(14) flags in EFLAGS register
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 * Clean IOPL(12,13) and NT(14) flags in EFLAGS register
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 */
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 */
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static void clean_IOPL_NT_flags(void)
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static void clean_IOPL_NT_flags(void)
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{
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{
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    asm (
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    asm volatile (
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        "pushfq\n"
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        "pushfq\n"
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        "pop %%rax\n"
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        "pop %%rax\n"
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        "and $~(0x7000), %%rax\n"
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        "and $~(0x7000), %%rax\n"
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        "pushq %%rax\n"
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        "pushq %%rax\n"
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        "popfq\n"
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        "popfq\n"
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        :
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        :
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        : "%rax"
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        ::: "%rax"
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    );
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    );
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}
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}
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/** Disable alignment check
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/** Disable alignment check
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 *
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 *
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 * Clean AM(18) flag in CR0 register
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 * Clean AM(18) flag in CR0 register
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 */
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 */
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static void clean_AM_flag(void)
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static void clean_AM_flag(void)
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{
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{
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    asm (
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    asm volatile (
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        "mov %%cr0, %%rax\n"
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        "mov %%cr0, %%rax\n"
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        "and $~(0x40000), %%rax\n"
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        "and $~(0x40000), %%rax\n"
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        "mov %%rax, %%cr0\n"
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        "mov %%rax, %%cr0\n"
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        :
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        :
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        : "%rax"
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        ::: "%rax"
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    );
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    );
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}
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}
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/** Perform amd64-specific initialization before main_bsp() is called.
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 *
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 * @param signature Should contain the multiboot signature.
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 * @param mi        Pointer to the multiboot information structure.
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 */
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void arch_pre_main(uint32_t signature, const multiboot_info_t *mi)
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{
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    /* Parse multiboot information obtained from the bootloader. */
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    multiboot_info_parse(signature, mi);
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#ifdef CONFIG_SMP
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    /* Copy AP bootstrap routines below 1 MB. */
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    memcpy((void *) AP_BOOT_OFFSET, (void *) BOOT_OFFSET,
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        (size_t) &_hardcoded_unmapped_size);
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#endif
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}
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void arch_pre_mm_init(void)
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void arch_pre_mm_init(void)
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{
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{
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    /* Enable no-execute pages */
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    /* Enable no-execute pages */
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    set_efer_flag(AMD_NXE_FLAG);
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    set_efer_flag(AMD_NXE_FLAG);
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    /* Enable FPU */
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    /* Enable FPU */
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     * self-sufficient.
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     * self-sufficient.
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     */
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     */
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    sysinfo_set_item_val("kbd", NULL, true);
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    sysinfo_set_item_val("kbd", NULL, true);
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    sysinfo_set_item_val("kbd.devno", NULL, devno);
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    sysinfo_set_item_val("kbd.devno", NULL, devno);
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    sysinfo_set_item_val("kbd.inr", NULL, IRQ_KBD);
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    sysinfo_set_item_val("kbd.inr", NULL, IRQ_KBD);
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    sysinfo_set_item_val("kbd.address.physical", NULL,
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        (uintptr_t) I8042_BASE);
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    sysinfo_set_item_val("kbd.address.kernel", NULL,
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        (uintptr_t) I8042_BASE);
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}
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}
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 207 
 
190 
void calibrate_delay_loop(void)
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void calibrate_delay_loop(void)
191 
{
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{
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    i8254_calibrate_delay_loop();
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    i8254_calibrate_delay_loop();